321121213352 has 32 divisors (see below), whose sum is σ = 626989420800. Its totient is φ = 153997368000.

The previous prime is 321121213333. The next prime is 321121213373. The reversal of 321121213352 is 253312121123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548224 + ... + 4618287.

It is an arithmetic number, because the mean of its divisors is an integer number (19593419400).

Almost surely, 2^321121213352 is an apocalyptic number.

It is an amenable number.

321121213352 is a deficient number, since it is larger than the sum of its proper divisors (305868207448).

321121213352 is a wasteful number, since it uses less digits than its factorization.

321121213352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166697 (or 9166693 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

Adding to 321121213352 its reverse (253312121123), we get a palindrome (574433334475).

The spelling of 321121213352 in words is "three hundred twenty-one billion, one hundred twenty-one million, two hundred thirteen thousand, three hundred fifty-two".